/*
 * @LastEditTime: 2023-03-31 23:26:42
 * @Method: 
 * @Description: 
 */
package CodeTop;

public class TreeNode {
    int val;
    TreeNode left;
    TreeNode right;
    TreeNode() {}
    TreeNode(int val) { this.val = val; }
    TreeNode(int val, TreeNode left, TreeNode right) {
        this.val = val;
       this.left = left;
        this.right = right;
   }
}
